Description

Ammonium Hydroxybenzenesulphonate is an important ammonium salt of a sulfonated phenol, widely utilized as a versatile intermediate in industrial synthesis. Its value lies in its dual functionality, offering both a phenolic hydroxyl group and a sulfonate moiety for further chemical modification. This compound is essential for manufacturers in the dye, pharmaceutical, and specialty chemical sectors seeking to develop or produce sulfonated aromatic compounds.

Application

• Key intermediate in the synthesis of azo dyes and pigments, contributing to color development and solubility.
• Building block for pharmaceutical active ingredients and diagnostic agents requiring sulfonated aromatic structures.
• Precursor in the production of specialty surfactants and dispersants for industrial formulations.
• Intermediate for ion-exchange resins and functional polymers.
• Used in research and development of corrosion inhibitors and metal treatment chemicals.
• Starting material for photographic chemicals and other light-sensitive compounds.

Basic Information

Product Name	Ammonium Hydroxybenzenesulphonate
CAS No.	61886-53-1
Molecular Formula	C₆H₉NO₄S
Molecular Weight	191.21 g/mol
Synonyms	Ammonium Phenol-4-sulfonate; 4-Hydroxybenzenesulfonic Acid Ammonium Salt; Phenol-4-sulfonic Acid Ammonium Salt; Ammonium 4-Hydroxybenzenesulfonate; Ammonium p-Phenolsulfonate; p-Hydroxybenzenesulfonic Acid Ammonium Salt; Ammonium Sulfophenolate; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our Ammonium Hydroxybenzenesulphonate is produced under a rigorous quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.